NumberResearchRecent prefix assignments
2 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
Most active assignees, last 30 days
New assignments by month
Sep 2026
Aug 2026
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Dec 2025
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2012-06-01 | 581-500 | Iristel Inc. | 154E | Levis | — |
| 2012-06-01 | 819-201 | Iristel Inc. | 154E | Magog | — |
| 2012-05-18 | 226-243 | Iristel Inc. | 154E | Kitchener-Waterloo | — |
| 2012-05-18 | 579-914 | Iristel Inc. | 154E | Terrebonne | — |
| 2012-05-02 | 226-272 | Iristel Inc. | 154E | London | — |
| 2012-05-02 | 289-307 | Iristel Inc. | 154E | Markham | — |
| 2012-05-02 | 289-512 | Iristel Inc. | 154E | Oshawa | — |
| 2012-05-02 | 289-817 | Iristel Inc. | 154E | Oakville | — |
| 2012-05-02 | 438-792 | Iristel Inc. | 154E | Montreal | — |
| 2012-05-02 | 438-793 | Iristel Inc. | 154E | Montreal | — |
| 2012-05-02 | 438-794 | Iristel Inc. | 154E | Montreal | — |
| 2012-05-02 | 438-795 | Iristel Inc. | 154E | Montreal | — |
| 2012-05-02 | 438-796 | Iristel Inc. | 154E | Montreal | — |
| 2012-05-02 | 579-999 | Iristel Inc. | 154E | Longueuil | — |
| 2012-05-02 | 819-510 | Iristel Inc. | 154E | Ottawa-Hull | — |
| 2012-05-02 | 902-201 | Iristel Inc. | 154E | Charlottetown | — |
| 2012-04-27 | 289-768 | Iristel Inc. | 154E | Hamilton | — |
| 2012-04-27 | 289-769 | Iristel Inc. | 154E | Hamilton | — |
| 2012-04-27 | 289-901 | Iristel Inc. | 154E | Brampton | — |
| 2012-04-27 | 289-902 | Iristel Inc. | 154E | Ancaster | — |
| 2012-04-27 | 289-906 | Iristel Inc. | 154E | Bolton | — |
| 2012-04-26 | 902-708 | Iristel Inc. | 154E | Halifax | — |
| 2012-04-20 | 204-813 | Iristel Inc. | 154E | Winnipeg | — |
| 2012-04-20 | 506-804 | Iristel Inc. | 154E | Moncton | — |
| 2012-04-20 | 506-805 | Iristel Inc. | 154E | Moncton | — |
| 2012-04-20 | 506-806 | Iristel Inc. | 154E | Moncton | — |
| 2012-04-20 | 506-807 | Iristel Inc. | 154E | Moncton | — |
| 2012-04-20 | 902-706 | Iristel Inc. | 154E | Halifax | — |
| 2012-04-20 | 902-707 | Iristel Inc. | 154E | Halifax | — |
| 2012-04-19 | 604-706 | Iristel Inc. | 154E | West Vancouver | — |
| 2012-04-19 | 778-657 | Iristel Inc. | 154E | Vancouver | — |
| 2012-04-19 | 778-658 | Iristel Inc. | 154E | Vancouver | — |
| 2012-04-18 | 587-414 | Iristel Inc. | 154E | Edmonton | — |
| 2012-04-18 | 587-415 | Iristel Inc. | 154E | Edmonton | — |
| 2012-04-18 | 587-416 | Iristel Inc. | 154E | Edmonton | — |
| 2012-04-18 | 604-359 | Iristel Inc. | 154E | New Westminster | — |
| 2012-04-18 | 604-373 | Iristel Inc. | 154E | Richmond | — |
| 2012-04-17 | 587-315 | Iristel Inc. | 154E | Calgary | — |
| 2012-04-17 | 587-316 | Iristel Inc. | 154E | Calgary | — |
| 2012-04-17 | 587-317 | Iristel Inc. | 154E | Calgary | — |
| 2012-04-17 | 647-556 | Iristel Inc. | 154E | Toronto | — |
| 2012-04-17 | 647-557 | Iristel Inc. | 154E | Toronto | — |
| 2012-04-17 | 647-558 | Iristel Inc. | 154E | Toronto | — |
| 2012-04-17 | 647-559 | Iristel Inc. | 154E | Toronto | — |
| 2012-04-17 | 647-560 | Iristel Inc. | 154E | Toronto | — |
| 2012-04-12 | 438-500 | Iristel Inc. | 154E | Pointe-Claire | — |
| 2012-04-12 | 902-200 | Iristel Inc. | 154E | Charlottetown | — |
| 2012-04-05 | 289-672 | Iristel Inc. | 154E | Niagara-On-The-Lake | — |
| 2012-04-05 | 581-705 | Iristel Inc. | 154E | Quebec | — |
| 2012-04-05 | 778-404 | Iristel Inc. | 154E | Victoria | — |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.